On 3/7/16 1:19 PM, James McGinn wrote:
> Do you concede that you have no proof that the moisture in
> clear moist air is gaseous?
Of course not. Evaporation from soil, oceans, plants and lakes
results in a continuous supply of Water Vapor (gaseous H2O) in
the earth's atmosphere. I take it you don't understand evaporation,
James.
Evaporation
>
https://en.wikipedia.org/wiki/Evaporation
> Evaporation is a type of vaporization of a liquid that occurs from
> the *surface of a liquid into a gaseous phase* that is not saturated
> with the evaporating substance. The other type of vaporization is
> boiling, which is characterized by bubbles of saturated vapor forming
> in the liquid phase. Steam produced in a boiler is another example of
> evaporation occurring in a saturated vapor phase. Evaporation that
> occurs directly from the solid phase below the melting point, as
> commonly observed with ice at or below freezing or moth crystals
> (napthalene or paradichlorobenzene), is called sublimation.
>
> On average, a fraction of the molecules in a glass of water have
> enough heat energy to escape from the liquid. Water molecules from
> the air enter the water in the glass, but as long as the relative
> humidity of the air in contact is less than 100% (saturation), the
> net transfer of water molecules will be to the air. The water in the
> glass will be cooled by the evaporation until an equilibrium is
> reached where the air supplies the amount of heat removed by the
> evaporating water. In an enclosed environment the water would
> evaporate until the air is saturated.
> Evaporation is an essential part of the water cycle. The sun (solar
> energy) drives evaporation of water from oceans, lakes, moisture in
> the soil, and other sources of water. In hydrology, evaporation and
> transpiration (which involves evaporation within plant stomata) are
> collectively termed evapotranspiration. *Evaporation of water*
> *occurs when the surface of the liquid is exposed, allowing*
> *molecules to escape and form water vapor* [gas]; this vapor can
> then rise up and form clouds. The tracking of evaporation from its
> source on the surface of the earth, through the atmosphere as vapor
> or clouds, and to its fate as precipitation closes the atmospheric
> water cycle, and embodies the concept of the precipitationshed.